no one ever found a trace of the teamster boss hoffa and we have ongoing cycles of looking for him. he is not this. look for him. he is not there. it is become. countless sevens turned up nothing and now there is a new tip and a new search. cops say they have found something. maybe he is under the driveway. stay tuned. [ male announcer ] this is anna, her long day teaching the perfect swing begins with back pain and a choice. take advil, and maybe have to take up to four in a day. or take aleve, which can relieve pain all day with just two pills. good eye. >>shepard: the national service issued a tornado warning for parts of colorado. this is southeast of denver. the warning is in effect until 4:00 eastern, so 2:00 in colorado time zone. there is a funnel cloud in the western part of the county. tune to local radio or television if you are in that area. >> new tip in the decades long search for the missing union boss hoffa leading investigators to a driveway in suburban detroit. cops taking soil samples from beneath the concrete after he may, may, may have seen someone bury the team